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/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the Qt3D module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL3$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see http://www.qt.io/terms-conditions. For further
** information use the contact form at http://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPLv3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or later as published by the Free
** Software Foundation and appearing in the file LICENSE.GPL included in
** the packaging of this file. Please review the following information to
** ensure the GNU General Public License version 2.0 requirements will be
** met: http://www.gnu.org/licenses/gpl-2.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "jobrunner_p.h"
#include "qthreadpooler_p.h"
#include <QtCore/QThread>
#include <QtCore/QMutexLocker>
#include <QtCore/QAtomicInt>
QT_BEGIN_NAMESPACE
namespace Qt3D {
JobRunner::JobRunner(QThreadPooler *parent)
: QThread(parent),
m_abort(0),
m_pooler(parent),
m_jobAvailable(Q_NULLPTR),
m_mutex(Q_NULLPTR)
{
QObject::connect(parent, SIGNAL(shuttingDown()), this, SLOT(shutDown()));
}
JobRunner::~JobRunner()
{
shutDown();
}
void JobRunner::run()
{
Q_ASSERT(m_jobAvailable != Q_NULLPTR);
while (!m_abort.load()) {
if (const QSharedPointer<TaskInterface> task = m_pooler->nextTask()) {
m_pooler->startRunning();
task->run(task, this);
m_pooler->stopRunning();
} else {
suspend();
}
}
}
void JobRunner::suspend()
{
const QMutexLocker locker(m_mutex);
m_jobAvailable->wait(m_mutex);
}
void JobRunner::shutDown()
{
m_abort.store(1);
}
} // namespace Qt3D
QT_END_NAMESPACE
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